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Caching Issues - Old Pages Never Die

Reference Number: AA-02448 Views: 1228 Created: 06/28/2018 10:02 am Last Updated: 09/06/2018 12:25 pm 25 Rating/ 2 Voters
FOR ON CENTER and CONSTRUCTCONNECT EMPLOYEE USE ONLY

Many times, when a site is updated, file names are not changed, simply modified. Most internet browsers (Chrome, IE, Edge) "cache" files to make web pages open/display quicker. These browsers do not always detect if a file has been updated, they just say "I've got this file in my cache, I do not need it again...", so they often serve up stored (cached) pages rather than pulling new information from a Web site. This means, you may be missing content if a site (such as kBase) is updated often, but the files themselves are named the same.

Refreshing, or even force-refreshing (Pressing <CTRL> + <F5>) doesn't work, nor does closing the browser and re-opening it.

To us, this may seem like a "defect" in these browsers, to the browser makers, it is a 'design feature' to make browsing faster (let us face it, many pages are static or replace content with new content, not simply updated html within the site).

You can increase the likelihood that you are seeing current Web site information is by clearing your browser's temporary cache, and if possible, set your browser to always load new content (difficult in Chrome, less difficult in IE and Edge).

Clearing Google Chrome's cache

Click the settings button in the upper right corner (the three vertical dots).

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Click Settings

On the settings page, scroll to the bottom and click "Advanced", the page expands to show additional settings.

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Click Clear browsing data...

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Select "the beginning of time" or "all time" from the drop-down.

Tick the checkbox for "Cached images and files" (you may also select "Browsing history", but do not check "Cookies" or any saved passwords/user names will be wiped out).

Click the Clear Data button - this shouldn't take more than a few seconds to finish.

Close Chrome and reopen it to the page you feel may have been out-of-date, you will notice all pages may take an extra second to load.

Configuring Chrome to Always Load New Content

There is currently no way for users to disable Chrome caching (like you can do in IE and Edge), we have tested what Google recommends and it does not work.

There are add-ins and extension available that can automatically clear all of your session data (except for cookies) available for Chrome. Click the Settings button, More Tools, Extensions, and then search for "Cache".

There is a sneaky way to configure Chrome to disable its caching completely so it always loads fresh content:

Find the Chrome program icon (either on your desktop, on the taskbar, or in the Programs menu...), right-click it and choose Properties.

In the Target box, add

-disk-cache-size=1 --media-cache-size=1

to the end of the command (after ...chrome.exe).

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Clearing Edge's cache

Click the Settings button (the three horizontal dots) in the upper-right corner.

Under "Clear browsing data", click Choose what to clear.

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On the next screen, select "Cached data and files" (you can also select Browsing history or other options, but avoid selecting "Cookies and saved website data").

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Note
Ensure "Always clear this when I close the browser" is enabled (On), this way, you shouldn't have to worry about clearing your cache again.

Click the Clear button

Close Edge and re-launch it.

Reopen it to the page you feel may have been out-of-date, there may be a slight delay while the browser downloads all the files necessary to display the page.


Clearing Internet Explorer's cache

Click the gear in the upper right corner

Select Internet Options

On the Internet Options dialog box, under "Browsing History" click the Delete... button

On the Delete Browsing History, select "Temporary Internet files and website files" (do not select "Cookies and website data")

Click the Delete button

Click OK to close the Internet Options dialog box

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Close Internet Explorer and reopen it to the page you feel may be out-of-date. It may take a second or two to download everything necessary to display the page.

Configure IE to Always Load New Content

You can configure Internet Explorer to not cache images by clicking on the Settings button (in the Internet Options dialog box) and setting to "Every time I visit the webpage" under "Check for newer versions of stored pages".

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